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Old May 10, 2013, 04:52 AM
Join Date: May 2013
Posts: 2
Default PC shutdowns and reboots under load or during games

I recently upgraded my pc with a new mobo, CPU, GPU, and RAM

Here is the componentlist;
Core; Intel i7 3770k
mobo; MSI Z77A-G45
RAM; Corsair Vengeance LP 2x4GB
GPU; XFX Radeon 7970 Black Edition
PSU; Techsolo GTP-680 (680W)
OS; Windows 7 Ultimate

After installing the OS I downloaded and installed AllBenchmark and started running it at 720p, after a minute or so the system shut down and rebooted.

So I decided to run the benchmark again this time monitoring the temperatures. The cpu temperatures never exceeded 60 C and the GPU ditdn't get any hotter than 70C untill the shutdown.

After this I tried running stresstests, first I tested the CPU, which runned perfectly there was no shutdown. secondly I tested the GPU first with FuMark than with MSI Kombustion,

The Furmark burn-in runned on 720p with 8xMSAA with a constant temperature of 72C, with no shutdown.

The MSI kombustion Xtreme burn-in test ran smoothly at 720p with a constant temperature of 75C, with no shutdown

But when I ran the MSI kombustion Xtreme burn-in test at 1680x1050 (maximum screen resolution) the system shut down and rebooted again.

The PC also shutsdown when I try playing games like bioshock infinite, where it crashed during the main menu.

AC3 however ran smoothly for about 5 minutes but after I decided to quit the game, the system crashed during the process of quitting to the main menu.

I am totaly lost here can you guys help me out?
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Old May 10, 2013, 04:56 AM
sswilson's Avatar
Join Date: Dec 2006
Location: Moncton NB
Posts: 15,625

My System Specs


My first guess would be the unknown (to me at least) quality of that PSU.
Gigabyte Z97N-WIFI / i7 4770K / 2X 8G Gskill 1866 Sniper / XFX XTR 750 / EVGA GTX 970 SSC ACX 2.0+
Corsair 380T / Corsair H100i GTX AIO/ Intel 730 Series 480GB SSD / Seagate Barracuda 1TB / Dell UltraSharp U2412M

Asrock AM1H-ITX / AM1 Athlon 5350 / 2X4G Gskill PC3-14900 / Intel 6235 Wi-Fi / 90W Targus Power Brick / 250G Samsung 840 Series SSD / Mini-Box M350 / 24" Westinghouse L2410NM
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Old May 10, 2013, 08:09 AM
enaberif's Avatar
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Join Date: Dec 2006
Location: Calgahree, AB
Posts: 10,697

Sounds like power supply has a weak 12v system.
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Old May 10, 2013, 08:30 AM
Join Date: May 2013
Posts: 2

Replacing the PSU seemed to fix the problem. So I guess we learned you shouldn't buy a techsolo PSU.
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